impeller rotation indicator —
Founded impeller rotation indicator models & stl files for printing
CUBE
Trevuk
Petclaud
xiphmont
Hex2000
Hex2000
magkopian
Extrutim
Hans
AlexPhoenix
HoytDesign
sjogerst
3D-Muc
rtm
inuit
IXPatch
IXPatch
PantsManUK
Engi-IRL
Paragon